Catalogue Number: | S-06203 |
Compound Name: | Sildenafil Impurity 81 |
Synonyms: | 4-amino-1-methyl-3-propyl-1H-pyrazole-5-carboxamide |
CAS#: | 139756-02-8 |
Alternate CAS#: | 247584-10-7 (HCl salt) |
Molecular Formula: | C8H14N4O |
Molecular Weight: | 182.23 |
Sildenafil EP Impurity A (Sildenafil USP Related Compound A, Isobutyl Sildenafil)
CAS No. 1391053-95-4
C23H32N6O4S
M.W. 488.61
Sildenafil Analogue I (Propoxyphenyl-Thiohydroxyhomo Sildenafil)
CAS No. 479073-90-0
C24H34N6O4S2
M.W. 534.69